Track spike



FIG. 1 is a perspective view of the track spike illustrating my design.

FIG. 2 is a bottom plan view thereof.

FIG. 3 is a front elevational view thereof, the opposite side being a mirror image.

FIG. 4 is a side elevational view thereof, the opposite side elevational view being a mirror image thereof; and,

FIG. 5 is a top plan view thereof. 

The ornamental design for a track spike, as shown and described. 